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/*
* Copyright (C) 2017 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef IGNITION_PLUGIN_DETAIL_LOADER_HH_
#define IGNITION_PLUGIN_DETAIL_LOADER_HH_
#include <memory>
#include <string>
#include <unordered_set>
#include <ignition/plugin/EnablePluginFromThis.hh>
#include <ignition/plugin/Loader.hh>
namespace ignition
{
namespace plugin
{
template <typename Interface>
std::unordered_set<std::string> Loader::PluginsImplementing() const
{
return this->PluginsImplementing(typeid(Interface).name(), false);
}
template <typename PluginPtrType>
PluginPtrType Loader::Instantiate(
const std::string &_pluginNameOrAlias) const
{
const std::string &resolvedName = this->LookupPlugin(_pluginNameOrAlias);
if (resolvedName.empty())
return PluginPtr();
PluginPtrType ptr(this->PrivateGetInfo(resolvedName),
this->PrivateGetPluginDlHandlePtr(resolvedName));
if (auto *enableFromThis =
ptr->template QueryInterface<EnablePluginFromThis>())
enableFromThis->PrivateSetPluginFromThis(ptr);
return ptr;
}
template <typename InterfaceType>
std::shared_ptr<InterfaceType> Loader::Factory(
const std::string &_pluginNameOrAlias) const
{
return this->Instantiate(_pluginNameOrAlias)
->template QueryInterfaceSharedPtr<InterfaceType>();
}
}
}
#endif
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